Enum ClipRegion 

pub enum ClipRegion {
    Rect(IRect),
    Path(Path),
    Empty,
}

裁剪区域类型

Variants

Rect(IRect)

矩形裁剪

Path(Path)

路径裁剪

Empty

空裁剪（不绘制任何内容）

Implementations

impl ClipRegion

pub fn from_rect(rect: IRect) -> Self

创建矩形裁剪区域

pub fn from_path(path: Path) -> Self

创建路径裁剪区域

pub fn empty() -> Self

创建空裁剪区域

pub fn contains_point(&self, x: i32, y: i32) -> bool

判断点是否在裁剪区域内

pub fn bounds(&self) -> Option<IRect>

获取裁剪区域的边界矩形

pub fn is_empty(&self) -> bool

判断裁剪区域是否为空

pub fn intersect(&self, other: &ClipRegion) -> ClipRegion

与另一个裁剪区域求交集

pub fn difference(&self, other: &ClipRegion) -> ClipRegion

从当前裁剪区域中减去另一个区域

Trait Implementations

impl Clone for ClipRegion

fn clone(&self) -> ClipRegion

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ClipRegion

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.